Air fluorescence measurements in the spectral range 300-420 nm using a 28.5 GeV electron beam

R. Abbasi, T. Abu-Zayyad, K. Belov, J. Belz, Z. Cao, M. Dalton, Y. Fedorova, P. Hüntemeyer, B. F. Jones, C. C.H. Jui, E. C. Loh, N. Manago, K. Martens, J. N. Matthews, M. Maestas, D. Rodriguez, J. Smith, P. Sokolsky, R. W. Springer, J. ThomasS. Thomas, P. Chen, C. Field*, C. Hast, R. Iverson, J. S.T. Ng, A. Odian, K. Reil, D. Walz, D. R. Bergman, G. Thomson, A. Zech, F. Y. Chang, C. C. Chen, C. W. Chen, M. A. Huang, W. Y.P. Hwang, Guey-Lin Lin

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

Measurements are reported of the yield and spectrum of fluorescence, excited by a 28.5 GeV electron beam, in air at a range of pressures of interest to ultra-high energy cosmic ray detectors. The wavelength range was 300-420 nm. System calibration has been performed using Rayleigh scattering of a nitrogen laser beam. In atmospheric pressure dry air at 304 K the total yield is 20.8 ± 1.6 photons per MeV.

Original languageEnglish
Pages (from-to)77-86
Number of pages10
JournalAstroparticle Physics
Volume29
Issue number1
DOIs
StatePublished - 1 Feb 2008

Keywords

  • Air fluorescence
  • Fluorescence spectrum
  • Ultra-high energy cosmic rays

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